4290857252 has 48 divisors (see below), whose sum is σ = 8272962432. Its totient is φ = 1931124480.

The previous prime is 4290857251. The next prime is 4290857261. The reversal of 4290857252 is 2527580924.

4290857252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4290857252² = 36822911914081983008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (4290857251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2151968 + ... + 2153960.

It is an arithmetic number, because the mean of its divisors is an integer number (172353384).

Almost surely, 2^4290857252 is an apocalyptic number.

It is an amenable number.

4290857252 is a deficient number, since it is larger than the sum of its proper divisors (3982105180).

4290857252 is a wasteful number, since it uses less digits than its factorization.

4290857252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 4290857252 is about 65504.6353474317. The cubic root of 4290857252 is about 1624.9800078961.

The spelling of 4290857252 in words is "four billion, two hundred ninety million, eight hundred fifty-seven thousand, two hundred fifty-two".